“My Number One” is the 2005 winning song of the 50th Eurovision Song Contest being the 2005 Eurovision entrant for Greece performed by Elena Paparizou credited as Helena Paparizou. Written by Christos Dantis with English language lyrics co-written by Natalia Germanou, “My Number One” awarded the first victory to Greece in Eurovision.

The song is notable for casting elements of traditional Greek music in a contemporary dance music setting: its arrangement includes bouzoukis and a solo featuring a Cretan lyra. The song’s lyrics describe the singer’s appreciation for her lover who is lauded as “my number one” and “the only treasure I’ll ever have”.